Check out, THE STUDENT'S GUIDE TO RESPIRATORY POCKET REFERENCES and THE CLINICIAN'S GUIDE TO RESPIRATORY POCKET REFERENCES. They contain comparison tables that compares and contrasts all the currently available pocket guides. Go to RespiratoryBooks.com to view these guides, to help you make your decision on which one to purchase.

Check out, THE STUDENT'S GUIDE TO RESPIRATORY POCKET REFERENCES and THE CLINICIAN'S GUIDE TO RESPIRATORY POCKET REFERENCES. They contain comparison tables that compares and contrasts all the currently available pocket guides. Go to RespiratoryBooks.com to view these guides, to help you make your decision on which one to purchase.